DJP branded blank cards and Envelopes are perfect for greeting cards, wedding invitations, thank you cards, holiday cards, gift vouchers, presentation cards, awards invitation, events cards - can be used for any occasion. 50 x card blanks and 50 x envelopes per pack. Card blanks are 250gsm and envelopes are 100gsm. 13cm x 13cm White Envelopes 100gsm. 130mm x 130mm (5" x 5")